Ghouls are dead people, which are coming back from the dead to feast on the livings. Needless to say, they are a threat to society and they should never arise. Fortunately, we have a cemetery guard to make sure that they cannot haunt the living. You are the cemetery guard it is your job to make sure that ghouls stay dead. You need to eliminate them all before you can go to another level. the ghouls would be more powerful as you make some progress, but do not worry since there would be some powerful weapons available for you are you make some progress.